Home / 1,269,841,236.96-1,904,768,276.56-396,369,385.28

Finding the Fourth Proportional to 1,269,841,236.96, 1,904,768,276.56 and 396,369,385.28

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Solution

The fourth proportional to 1,269,841,236.96, 1,904,768,276.56 and 396,369,385.28 is: 594,556,082.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,841,236.96 : 1,904,768,276.56 = 396,369,385.28 : x
  2. Step 2: Convert to fraction form
    1,269,841,236.96/1,904,768,276.56 = 396,369,385.28/x
  3. Step 3: Cross multiply
    1,269,841,236.96x = 1,904,768,276.56 × 396,369,385.28
  4. Step 4: Simplify right side
    1,269,841,236.96x = 754,991,830,880,932,096
  5. Step 5: Solve for x
    x = 754,991,830,880,932,096/1,269,841,236.96
  6. Step 6: Final answer
    x = 594,556,082.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.